diff --git a/internal/repository/job.go b/internal/repository/job.go
index 1e88c43..d470556 100644
--- a/internal/repository/job.go
+++ b/internal/repository/job.go
@@ -126,6 +126,9 @@ func (r *JobRepository) Flush() error {
 			return err
 		}
 	case "mysql":
+		if _, err = r.DB.Exec(`SET FOREIGN_KEY_CHECKS = 0`); err != nil {
+			return err
+		}
 		if _, err = r.DB.Exec(`TRUNCATE TABLE jobtag`); err != nil {
 			return err
 		}
@@ -135,6 +138,9 @@ func (r *JobRepository) Flush() error {
 		if _, err = r.DB.Exec(`TRUNCATE TABLE job`); err != nil {
 			return err
 		}
+		if _, err = r.DB.Exec(`SET FOREIGN_KEY_CHECKS = 1`); err != nil {
+			return err
+		}
 	}
 
 	return nil
diff --git a/internal/repository/migrations/mysql/04_alter-table-job.down.sql b/internal/repository/migrations/mysql/04_alter-table-job.down.sql
new file mode 100644
index 0000000..ebc7454
--- /dev/null
+++ b/internal/repository/migrations/mysql/04_alter-table-job.down.sql
@@ -0,0 +1,5 @@
+ALTER TABLE job
+    MODIFY `partition` VARCHAR(255) NOT NULL,
+    MODIFY array_job_id BIGINT NOT NULL,
+    MODIFY num_hwthreads INT NOT NULL,
+    MODIFY num_acc INT NOT NULL;
diff --git a/internal/repository/migrations/mysql/04_alter-table-job.up.sql b/internal/repository/migrations/mysql/04_alter-table-job.up.sql
new file mode 100644
index 0000000..9fe7620
--- /dev/null
+++ b/internal/repository/migrations/mysql/04_alter-table-job.up.sql
@@ -0,0 +1,5 @@
+ALTER TABLE job
+    MODIFY `partition` VARCHAR(255),
+    MODIFY array_job_id BIGINT,
+    MODIFY num_hwthreads INT,
+    MODIFY num_acc INT;